USB adapter



FIG. 1 is a bottom perspective view of an USB adapter according to thepresent invention;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top side view thereof; and,

FIG. 7 is a bottom side view thereof.

CLAIM The ornamental design for an USB adapter, as shown and described.